399362015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{46901}}^1$

素因数の和:47050

約数の個数: 16

約数和(自身を含む): 520049376

約数和(自身を除く): 120687361

約数列:

[1, 5, 13, 65, 131, 655, 1703, 8515, 46901, 234505, 609713, 3048565, 6144031, 30720155, 79872403, 399362015]

約数ペア:

[(1, 399362015), (5, 79872403), (13, 30720155), (65, 6144031), (131, 3048565), (655, 609713), (1703, 234505), (8515, 46901)]